Mass-Like Arthropathies

The articular disorders that will be discussed in this chapter, pigmented villonodular synovitis, synovial chondromatosis, and amyloidosis, share some common radiologic imaging characteristics. These entities are more common in large joints, the plain radiographic findings may be subtle, and the magnetic resonance (MR) findings are distinctive. Despite the fact that these conditions are relatively uncommon, most radiologists will see these diagnoses several times during a career…